/* ===== CSS Variables — Architectural stone & bronze ===== */
:root {
  --color-bg: #f5f4f1;
  --color-bg-alt: #eae8e3;
  --color-bg-warm: #f0eeea;
  --color-bg-dark: #121614;
  --color-bg-slate: #1a201e;
  --color-bg-engineering: #161b19;
  --color-text: #121614;
  --color-text-light: #4a504d;
  --color-text-muted: #787e7a;
  --color-accent: #867456;
  --color-accent-dark: #6b5c42;
  --color-accent-light: #b5a48a;
  --color-accent-muted: rgba(134, 116, 86, 0.12);
  --color-white: #ffffff;
  --color-border: #dad6cf;
  --color-border-subtle: #e8e5df;
  --color-promo: #161b19;
  --color-brand: #867456;
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.0625rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.375rem;
  --text-3xl: clamp(2rem, 4vw, 3rem);
  --text-4xl: clamp(2rem, 4.5vw, 3rem);
  --text-display: clamp(3.25rem, 8vw, 6.75rem);
  --tracking-tight: -0.02em;
  --tracking-snug: -0.01em;
  --tracking-normal: 0;
  --tracking-wide: 0.04em;
  --tracking-wider: 0.08em;
  --tracking-caps: 0.12em;
  --leading-tight: 1.2;
  --leading-snug: 1.4;
  --leading-normal: 1.65;
  --leading-relaxed: 1.7;
  --leading-loose: 1.8;
  --container-max: 1360px;
  --header-height: 120px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s ease;
  --shadow-sm: 0 1px 2px rgba(18, 22, 20, 0.04), 0 4px 16px rgba(18, 22, 20, 0.05);
  --shadow-md: 0 8px 32px rgba(18, 22, 20, 0.08);
  --shadow-lg: 0 20px 56px rgba(18, 22, 20, 0.12);
  --shadow-card: 0 2px 12px rgba(18, 22, 20, 0.05);
  --radius-sm: 2px;
  --radius-md: 4px;
  --section-space: clamp(56px, 6vw, 88px);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

button {
  font-family: inherit;
}

body.modal-open,
body.nav-open {
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: 400;
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, transparent 28%),
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(134, 116, 86, 0.05) 0%, transparent 55%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
  font-optical-sizing: auto;
}

/* ===== Typography foundation ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 { font-size: var(--text-4xl); letter-spacing: var(--tracking-snug); }
h2 { font-size: var(--text-3xl); letter-spacing: var(--tracking-snug); }
h3 { font-size: var(--text-xl); letter-spacing: var(--tracking-normal); }
h4 { font-size: var(--text-lg); }

p {
  line-height: var(--leading-relaxed);
}

.type-label {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

.type-price {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1, 'kern' 1;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* ===== Promo Bar ===== */
.promo-bar {
  background: var(--color-promo);
  color: var(--color-white);
  text-align: center;
  padding: 10px 40px;
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  position: relative;
  border-bottom: 1px solid rgba(134, 116, 86, 0.25);
}

.promo-bar a {
  color: var(--color-white);
  text-decoration: underline;
  margin-left: 4px;
}

.promo-bar a:hover {
  opacity: 0.85;
}

.promo-close {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 20px;
  cursor: pointer;
  opacity: 0.7;
  line-height: 1;
}

.promo-close:hover {
  opacity: 1;
}

.promo-bar.hidden {
  display: none;
}

/* ===== Header ===== */
.site-header {
  background: rgba(245, 244, 241, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: none;
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border-subtle);
  background: rgba(255, 255, 255, 0.96);
}

.site-header.is-scrolled .header-bar-inner {
  padding-top: 10px;
  padding-bottom: 10px;
}

.site-header.is-scrolled .logo img {
  height: 40px;
}

.header-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2.5vw, 32px);
  padding: 14px clamp(20px, 4vw, 48px);
  transition: padding var(--transition);
}

.logo img {
  height: 48px;
  width: auto;
  display: block;
  transition: height var(--transition);
  object-fit: contain;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  line-height: 0;
  flex-shrink: 0;
}

.header-phone {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-normal);
  color: var(--color-text);
}

.header-phone:hover {
  color: var(--color-accent);
}

.search-toggle,
.mobile-menu-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-text-light);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 12px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition), left var(--transition);
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--color-text);
}

.nav-list a.active {
  color: var(--color-accent-dark);
}

.nav-list a:hover::after,
.nav-list a.active::after {
  width: 20px;
  left: calc(50% - 10px);
}

.search-panel {
  background: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: 16px 0;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.search-panel-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-results {
  margin-top: 12px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  max-height: 320px;
  overflow-y: auto;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
  text-decoration: none;
  color: inherit;
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item:hover {
  background: var(--color-bg);
}

.search-result-thumb {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  border-radius: 4px;
}

.search-result-item strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
}

.search-result-item small {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.search-empty {
  padding: 20px;
  text-align: center;
  color: var(--color-text-light);
}

.search-panel input {
  flex: 1;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  outline: none;
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-panel input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(154, 136, 114, 0.15);
}

.search-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-light);
  line-height: 1;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  height: 92vh;
  min-height: 560px;
  max-height: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: -4%;
  background: var(--color-bg-dark) center/cover no-repeat;
  animation: heroKenBurns 24s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes heroKenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.07); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(18, 22, 20, 0.55) 0%, rgba(18, 22, 20, 0.2) 45%, rgba(18, 22, 20, 0.65) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  padding: 0 24px;
  max-width: 900px;
}

.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  margin-bottom: 20px;
  color: var(--color-accent-light);
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 400;
  margin-bottom: 40px;
  color: var(--color-white);
}

.hero-line {
  display: block;
  font-size: var(--text-display);
  line-height: 1.05;
  letter-spacing: var(--tracking-snug);
  color: inherit;
}

.hero-line-accent {
  font-style: italic;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0.6;
  transition: opacity var(--transition);
}

.hero-scroll-hint:hover {
  opacity: 1;
}

.hero-scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.8));
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.6); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

body.is-loading main {
  opacity: 0;
  pointer-events: none;
}

body.is-loading .site-header {
  opacity: 0.5;
}
.btn {
  display: inline-block;
  padding: 15px 34px;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-bg-dark);
  color: var(--color-white);
  border-color: var(--color-bg-dark);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  color: var(--color-white);
  border-color: var(--color-accent-dark);
}

.hero .btn-primary,
.btn-primary.btn-hero {
  background: var(--color-white);
  color: var(--color-text);
  border-color: var(--color-white);
}

.hero .btn-primary:hover,
.btn-primary.btn-hero:hover {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.85);
}

.btn-hero {
  min-width: 200px;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

.btn-outline:hover {
  background: var(--color-bg-dark);
  color: var(--color-white);
  border-color: var(--color-bg-dark);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
  background: var(--color-white);
  color: var(--color-text);
  border-color: var(--color-white);
}

/* ===== Sections ===== */
.section {
  padding: var(--section-space) 0;
}

.reveal-section {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(28px, 3.5vw, 44px);
  flex-wrap: wrap;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  letter-spacing: var(--tracking-snug);
  color: var(--color-text);
  line-height: var(--leading-tight);
}

.section-link {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-accent-dark);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 4px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.section-link:hover {
  color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.section-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  font-weight: 400;
  line-height: var(--leading-relaxed);
}

/* ===== Categories ===== */
.categories {
  background: var(--color-white);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 28px);
}

.category-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--color-bg-dark);
  cursor: pointer;
  display: block;
  border-radius: var(--radius-sm);
}

.category-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.category-card:hover .category-image {
  transform: scale(1.06);
}

.category-card h3 {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px 24px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--color-white);
  background: linear-gradient(transparent, rgba(18, 22, 20, 0.82));
}

/* ===== Projects ===== */
.projects-banner {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 0;
  background: var(--color-white);
  border: none;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.projects-content {
  padding: clamp(48px, 6vw, 72px) clamp(32px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-bg-engineering);
  color: rgba(255, 255, 255, 0.78);
  position: relative;
}

.projects-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.projects-content .section-title {
  border: none;
  padding: 0;
  margin: 0;
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

.projects-content p {
  color: rgba(255, 255, 255, 0.62);
  margin: 20px 0 32px;
  max-width: 420px;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  position: relative;
  z-index: 1;
}

.projects-content .btn-outline {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.45);
  position: relative;
  z-index: 1;
}

.projects-content .btn-outline:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.projects-image {
  min-height: 400px;
  background-size: cover;
  background-position: center;
}

.projects-image-btn {
  border: none;
  padding: 0;
  cursor: pointer;
  width: 100%;
  min-height: 400px;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.projects-image-btn:hover {
  transform: scale(1.02);
}

/* ===== Product Cards ===== */
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  padding: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  box-shadow: var(--shadow-card);
}

.product-grid .product-card {
  width: 100%;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-border);
}

.product-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.product-image-wrap {
  overflow: hidden;
  background: var(--color-bg-alt);
}

.product-image {
  aspect-ratio: 1;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-image {
  transform: scale(1.06);
}

.product-info {
  padding: 20px 18px 22px;
}

.product-category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.product-name {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: var(--leading-snug);
  margin-bottom: 10px;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.product-card:hover .product-name {
  color: var(--color-accent-dark);
}

.product-price {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-normal);
  color: var(--color-accent-dark);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

.badge-shipping {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-left: 8px;
  padding: 2px 6px;
  border: 1px solid var(--color-accent-light);
  border-radius: var(--radius-sm);
  vertical-align: middle;
}

.product-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.badge-shipping-inline {
  color: var(--color-brand);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: 12px;
}

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.filter-btn {
  padding: 10px 18px;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--color-text-muted);
  position: relative;
}

.filter-btn::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: width var(--transition), left var(--transition);
}

.filter-btn:hover {
  color: var(--color-text);
}

.filter-btn:hover::after {
  width: 16px;
  left: calc(50% - 8px);
}

.filter-btn.active {
  background: var(--color-bg-dark);
  color: var(--color-white);
  border-radius: var(--radius-sm);
}

.filter-btn.active::after {
  display: none;
}

.catalog .product-grid.highlight {
  animation: highlightPulse 1.5s ease;
}

@keyframes highlightPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-light);
}

/* ===== Carousel ===== */
.product-carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-track-wrapper {
  overflow: hidden;
  flex: 1;
  container-type: inline-size;
  container-name: featured-carousel;
}

.product-track {
  display: flex;
  gap: 20px;
  transition: transform 0.5s ease;
  will-change: transform;
}

.product-track .product-card {
  flex: 0 0 calc((100cqi - 60px) / 4);
  width: calc((100cqi - 60px) / 4);
  min-width: 0;
  max-width: none;
}

.carousel-btn {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-white);
  font-size: 22px;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1;
}

.carousel-btn:hover {
  background: var(--color-bg-dark);
  color: var(--color-white);
  border-color: var(--color-bg-dark);
  transform: scale(1.05);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}

.carousel-dot.active {
  background: var(--color-accent-dark);
  transform: scale(1.35);
}

/* ===== Product Grid ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 28px);
}

.featured {
  background: var(--color-bg-warm);
}

.catalog {
  background: var(--color-white);
}

.blog {
  background: var(--color-bg);
}

/* ===== Blog ===== */
.blog-intro {
  color: var(--color-text-light);
  margin-bottom: 40px;
  max-width: 600px;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.blog-card {
  background: var(--color-white);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  cursor: pointer;
  border-width: 1px;
  text-align: left;
  width: 100%;
  box-shadow: var(--shadow-card);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-border);
}

.blog-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.blog-image {
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-card:hover .blog-image {
  transform: scale(1.04);
}

.blog-body {
  padding: 28px 24px 32px;
}

.blog-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-accent);
}

.blog-body h3 {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: var(--leading-snug);
  margin: 10px 0 12px;
}

.blog-body p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ===== CTA Blocks ===== */
.cta-block {
  text-align: center;
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
}

.cta-inner p {
  color: var(--color-text-light);
  margin: 16px 0 28px;
  line-height: var(--leading-relaxed);
}

.custom-work {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.custom-work .cta-inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(40px, 5vw, 56px) clamp(32px, 4vw, 48px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.custom-work .cta-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent-light));
}

.custom-work .section-title {
  margin-bottom: 12px;
}

.read-more {
  display: inline-block;
  margin-top: 14px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-accent);
  transition: color var(--transition-fast);
}

.read-more:hover {
  color: var(--color-accent-dark);
}

.shipping {
  background: var(--color-bg-slate);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.shipping::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(134, 116, 86, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.shipping::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.shipping .section-title {
  color: var(--color-white);
  position: relative;
  z-index: 1;
}

.shipping .cta-inner {
  position: relative;
  z-index: 1;
}

.shipping .cta-inner p {
  color: rgba(255,255,255,0.68);
}

/* ===== Regional ===== */
.regional {
  background: var(--color-bg-warm);
  border-top: 1px solid var(--color-border-subtle);
}

.regional .section-header {
  flex-direction: column;
  align-items: flex-start;
  border-bottom: none;
  padding-bottom: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.72);
  padding: clamp(64px, 8vw, 96px) 0 32px;
  border-top: 3px solid var(--color-accent-dark);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(181, 164, 138, 0.35), transparent);
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 20px;
}

.footer-col ul li {
  margin-bottom: 8px;
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.footer-col a:hover {
  color: var(--color-white);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.3);
  font-size: var(--text-xs);
  font-weight: 600;
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--color-white);
  color: var(--color-bg-dark);
  border-color: var(--color-white);
}

.footer-col-wide {
  grid-column: span 1;
}

.btn-sm {
  padding: 10px 20px;
  font-size: var(--text-xs);
  align-self: flex-start;
}

.form-note {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

.form-note a {
  color: var(--color-brand);
}

.form-success {
  color: var(--color-brand);
  padding: 16px 0;
}

.form-status {
  font-size: var(--text-sm);
  margin-top: 12px;
}

.form-status-success {
  color: var(--color-brand);
}

.form-status-error {
  color: #c0392b;
}

/* ===== Product Detail Page ===== */
.product-page {
  padding: 40px 0 80px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb span[aria-current] {
  color: var(--color-text);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.product-main-image {
  aspect-ratio: 1;
  background-size: cover;
  background-position: center;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
}

.product-detail-title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: 400;
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-tight);
  margin: 8px 0 20px;
}

.product-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}

.product-meta {
  list-style: none;
  padding: 20px 0 0;
  border-top: 1px solid var(--color-border);
}

.product-meta li {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-normal);
  padding: 6px 0 6px 20px;
  position: relative;
}

.product-meta li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.product-inquiry-section {
  background: var(--color-white);
  padding: clamp(40px, 5vw, 56px);
  margin-bottom: 64px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.inquiry-intro {
  color: var(--color-text-light);
  margin-bottom: 24px;
  line-height: var(--leading-relaxed);
}

.product-inquiry-form {
  max-width: 640px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.related-products {
  margin-top: 16px;
}

.product-not-found {
  text-align: center;
  padding: 80px 24px;
}

.product-not-found h1 {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  margin-bottom: 12px;
}

.product-not-found p {
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.header-back {
  white-space: nowrap;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.7);
}

.site-footer a:hover {
  color: var(--color-white);
}

/* ===== Modals ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow-y: auto;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-dialog {
  background: var(--color-white);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-sm);
  animation: modalIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-body {
  padding: 40px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  color: var(--color-text-light);
  z-index: 1;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-subtitle {
  color: var(--color-text-light);
  margin: 8px 0 24px;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.product-modal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.product-modal-image {
  aspect-ratio: 1;
  background-size: cover;
  background-position: center;
  background-color: #f0ede8;
}

.product-modal-info h2 {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  margin: 8px 0 12px;
  line-height: var(--leading-snug);
}

.product-price-lg {
  font-size: var(--text-xl);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

.product-description {
  color: var(--color-text-light);
  margin: 16px 0 24px;
  line-height: var(--leading-loose);
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.blog-modal h2 {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  margin: 12px 0 16px;
  line-height: var(--leading-tight);
}

.blog-modal-image {
  aspect-ratio: 16/9;
  background-size: cover;
  background-position: center;
  margin-bottom: 20px;
}

.blog-modal p {
  color: var(--color-text-light);
  line-height: var(--leading-loose);
}

.projects-modal h2,
.inquiry-modal h2,
.about-modal h2,
.policy-modal h2 {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: var(--leading-tight);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.project-item-image {
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  margin-bottom: 8px;
}

.project-item h4 {
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: var(--leading-snug);
}

.project-item p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.inquiry-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.inquiry-form input,
.inquiry-form textarea {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  outline: none;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
  border-color: var(--color-brand);
}

.btn-block {
  width: 100%;
  text-align: center;
}

.policy-modal p,
.about-modal p {
  color: var(--color-text-light);
  line-height: var(--leading-loose);
  margin-bottom: 16px;
}

.about-modal .btn {
  margin-top: 8px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .category-grid,
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-track .product-card {
    flex: 0 0 calc((100cqi - 20px) / 2);
    width: calc((100cqi - 20px) / 2);
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .projects-banner {
    grid-template-columns: 1fr;
  }

  .projects-image {
    min-height: 280px;
  }
}

@media (max-width: 768px) {
  .header-phone {
    display: none;
  }

  .header-bar-inner {
    padding: 12px clamp(16px, 4vw, 24px);
  }

  .logo img {
    height: 42px;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex: none;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--color-border-subtle);
  }

  .main-nav.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-list a {
    padding: 14px 24px;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-wider);
  }

  .hero {
    height: 75vh;
    min-height: 440px;
  }

  .hero-scroll-hint {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  .category-grid,
  .blog-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-track .product-card {
    flex: 0 0 100cqi;
    width: 100cqi;
  }

  .carousel-btn {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .projects-content {
    padding: 40px 24px;
  }

  .product-modal {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .modal-body {
    padding: 32px 24px;
  }

  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .product-inquiry-section {
    padding: 32px 24px;
  }
}

.promo-bar[hidden] {
  display: none;
}

.row-hidden {
  opacity: 0.55;
}

.tag-type {
  background: #eef1f5;
  color: #4a5568;
}

.content-block {
  background: var(--color-white);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.content-block-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  padding: clamp(32px, 4vw, 48px);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-warm);
  box-shadow: var(--shadow-card);
}

.content-block-inner.has-image {
  grid-template-columns: 1fr 1fr;
}

.content-block-image {
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-sm);
}

.content-block-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 12px;
}

.content-block-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-text-light);
  margin: 8px 0 16px;
  line-height: var(--leading-snug);
}

.content-block-desc {
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .content-block-inner.has-image {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-bg,
  .hero-scroll-line {
    animation: none;
  }

  .reveal-section {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .product-image,
  .category-image,
  .blog-image {
    transition: none;
  }
}

/* ===== Floating Chat Widget (US-style launcher) ===== */
.chat-widget {
  position: fixed;
  right: clamp(20px, 2.5vw, 28px);
  bottom: clamp(20px, 2.5vw, 28px);
  z-index: 900;
  font-family: var(--font-sans);
}

.chat-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 27, 25, 0.25);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
  z-index: -1;
}

.chat-widget.is-open .chat-backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.chat-fab {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: var(--color-bg-dark);
  color: var(--color-white);
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(28, 27, 25, 0.22);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.chat-fab:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 28px rgba(28, 27, 25, 0.28);
}

.chat-fab:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.chat-widget.is-open .chat-fab {
  background: var(--color-accent-dark);
}

.chat-fab-icon-close {
  display: none;
}

.chat-widget.is-open .chat-fab-icon-open {
  display: none;
}

.chat-widget.is-open .chat-fab-icon-close {
  display: block;
}

.chat-panel {
  position: absolute;
  right: 0;
  bottom: calc(100% + 14px);
  width: min(380px, calc(100vw - 40px));
  max-height: min(520px, calc(100vh - 120px));
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 12px 48px rgba(28, 27, 25, 0.16);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px) scale(0.97);
  transform-origin: bottom right;
  transition:
    opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.28s;
}

.chat-widget.is-open .chat-panel {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-dark);
  color: var(--color-white);
}

.chat-panel-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.chat-panel-status {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #6bcb8f;
  box-shadow: 0 0 0 3px rgba(107, 203, 143, 0.25);
}

.chat-panel-title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: var(--leading-tight);
  margin: 0;
  color: var(--color-white);
}

.chat-panel-sub {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 2px;
  letter-spacing: var(--tracking-wide);
}

.chat-panel-minimize {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.chat-panel-minimize:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

.chat-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-white);
}

.chat-tab {
  flex: 1;
  padding: 11px 10px;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.chat-tab.active {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
}

.chat-tab-panel {
  display: none;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.chat-tab-panel.active {
  display: flex;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 220px;
  max-height: 320px;
  background: var(--color-bg);
}

.chat-msg {
  display: flex;
  flex-direction: column;
  max-width: 88%;
}

.chat-msg-user {
  align-self: flex-end;
  align-items: flex-end;
}

.chat-msg-assistant {
  align-self: flex-start;
  align-items: flex-start;
}

.chat-msg-bubble {
  padding: 10px 14px;
  border-radius: 16px;
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-msg-user .chat-msg-bubble {
  background: var(--color-bg-dark);
  color: var(--color-white);
  border-bottom-right-radius: 4px;
}

.chat-msg-assistant .chat-msg-bubble {
  background: var(--color-white);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-bottom-left-radius: 4px;
}

.chat-msg-time {
  font-size: 10px;
  color: var(--color-text-muted);
  margin-top: 4px;
  padding: 0 4px;
}

.chat-typing-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  height: 16px;
}

.chat-typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-muted);
  animation: chatDot 1.2s infinite ease-in-out;
}

.chat-typing-dots span:nth-child(2) { animation-delay: 0.15s; }
.chat-typing-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes chatDot {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.85); }
  40% { opacity: 1; transform: scale(1); }
}

.chat-compose {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
  align-items: flex-end;
}

.chat-compose textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  outline: none;
  min-height: 40px;
  max-height: 96px;
}

.chat-compose textarea:focus {
  border-color: var(--color-accent);
}

.chat-send-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: var(--color-bg-dark);
  color: var(--color-white);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.chat-send-btn:hover:not(:disabled) {
  background: var(--color-accent-dark);
  transform: scale(1.05);
}

.chat-send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chat-send-btn svg {
  display: block;
}

.chat-leave-form {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  max-height: 360px;
}

.chat-leave-intro {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin: 0 0 4px;
}

.chat-leave-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.chat-leave-form input,
.chat-leave-form textarea {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  outline: none;
  border-radius: 6px;
}

.chat-leave-form input:focus,
.chat-leave-form textarea:focus {
  border-color: var(--color-accent);
}

.chat-leave-submit {
  margin-top: 4px;
  letter-spacing: var(--tracking-caps);
}

@media (max-width: 768px) {
  .chat-widget {
    right: 16px;
    bottom: 16px;
  }

  .chat-fab {
    width: 52px;
    height: 52px;
  }

  .chat-panel {
    position: fixed;
    right: 16px;
    left: 16px;
    bottom: 80px;
    width: auto;
    max-height: min(72vh, 520px);
    transform-origin: bottom center;
  }

  .chat-widget.is-open .chat-backdrop {
    backdrop-filter: blur(2px);
  }
}

@media (min-width: 769px) {
  .chat-backdrop {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat-panel,
  .chat-backdrop,
  .chat-fab {
    transition: none;
  }
}